42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
/* Definition for thread-local data handling. NaCl version.
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Copyright (C) 2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _NACL_TLS_H
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#define _NACL_TLS_H 1
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#ifndef __ASSEMBLER__
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# include <nacl-interfaces.h>
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/* Code to initially initialize the thread pointer. This might need
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special attention since 'errno' is not yet available and if the
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operation can cause a failure 'errno' must not be touched. */
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# define TLS_INIT_TP(tcbp) \
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((*__nacl_irt_tls.tls_init) (tcbp) == 0 ? NULL : "tls_init call failed")
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/* Our use of dl_sysinfo is rather different from the Linux syscall
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entry-point case. We never need a thread-local copy of the value. */
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# undef SETUP_THREAD_SYSINFO
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# undef CHECK_THREAD_SYSINFO
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# define SETUP_THREAD_SYSINFO(pd) ((void) (pd))
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# define CHECK_THREAD_SYSINFO(pd) ((void) (pd))
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#endif /* __ASSEMBLER__ */
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#endif /* tls.h */
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